PITTSBURGH Urban Fabrics City Map: PRINTPITTSBURGH, Pennsylvania inhabits the Alleghany Mountains at the confluence of the Allegheny, Monongahela, and Ohio rivers. Home of Carnegie Mellon University and Pittsburgh University, art museums and large public parks, Pittsburgh is a walkable city also known as the "City of Bridges" for its 446 bridges! This is a PRINT. My hand drawn map lines are turned white over my "Urban Fabric painting a layering of many hand painted and drawn marks in